Module Name: src
Committed By: mrg
Date: Fri Jun 19 01:16:23 UTC 2009
Modified Files:
src/sys/dev/usb: files.usb
Added Files:
src/sys/dev/usb: moscom.c
Log Message:
port the MOSCHIP MCS7703 driver from openbsd, based on changes between
openbsd uvscom and netbsd uvscom as a guide.
XXX: it only attaches one of the two ucom's on this device currently.
XXX: needs moscom.4.
To generate a diff of this commit:
cvs rdiff -u -r1.90 -r1.91 src/sys/dev/usb/files.usb
cvs rdiff -u -r0 -r1.1 src/sys/dev/usb/moscom.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/usb/files.usb
diff -u src/sys/dev/usb/files.usb:1.90 src/sys/dev/usb/files.usb:1.91
--- src/sys/dev/usb/files.usb:1.90 Fri Oct 10 16:37:16 2008
+++ src/sys/dev/usb/files.usb Fri Jun 19 01:16:23 2009
@@ -1,4 +1,4 @@
-# $NetBSD: files.usb,v 1.90 2008/10/10 16:37:16 joerg Exp $
+# $NetBSD: files.usb,v 1.91 2009/06/19 01:16:23 mrg Exp $
#
# Config file and device description for machine-independent USB code.
# Included by ports that need it. Ports that use it must provide
@@ -251,6 +251,11 @@
attach umct at usbdevif
file dev/usb/umct.c umct
+# MOSCHIP MCS7xxx serial driver
+device moscom: ucombus
+attach moscom at usbdevif
+file dev/usb/moscom.c moscom
+
# SUNTAC Slipper U VS-10U driver
device uvscom: ucombus
attach uvscom at usbdevif
Added files:
Index: src/sys/dev/usb/moscom.c
diff -u /dev/null src/sys/dev/usb/moscom.c:1.1
--- /dev/null Fri Jun 19 01:16:23 2009
+++ src/sys/dev/usb/moscom.c Fri Jun 19 01:16:23 2009
@@ -0,0 +1,460 @@
+/* $NetBSD: moscom.c,v 1.1 2009/06/19 01:16:23 mrg Exp $ */
+/* $OpenBSD: moscom.c,v 1.11 2007/10/11 18:33:14 deraadt Exp $ */
+
+/*
+ * Copyright (c) 2006 Jonathan Gray <j...@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: moscom.c,v 1.1 2009/06/19 01:16:23 mrg Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/conf.h>
+#include <sys/tty.h>
+#include <sys/device.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usbdevs.h>
+
+#include <dev/usb/usbdevs.h>
+#include <dev/usb/ucomvar.h>
+
+#define MOSCOMBUFSZ 256
+#define MOSCOM_CONFIG_NO 0
+#define MOSCOM_IFACE_NO 0
+
+#define MOSCOM_READ 0x0d
+#define MOSCOM_WRITE 0x0e
+#define MOSCOM_UART_REG 0x0300
+#define MOSCOM_VEND_REG 0x0000
+
+#define MOSCOM_TXBUF 0x00 /* Write */
+#define MOSCOM_RXBUF 0x00 /* Read */
+#define MOSCOM_INT 0x01
+#define MOSCOM_FIFO 0x02 /* Write */
+#define MOSCOM_ISR 0x02 /* Read */
+#define MOSCOM_LCR 0x03
+#define MOSCOM_MCR 0x04
+#define MOSCOM_LSR 0x05
+#define MOSCOM_MSR 0x06
+#define MOSCOM_SCRATCH 0x07
+#define MOSCOM_DIV_LO 0x08
+#define MOSCOM_DIV_HI 0x09
+#define MOSCOM_EFR 0x0a
+#define MOSCOM_XON1 0x0b
+#define MOSCOM_XON2 0x0c
+#define MOSCOM_XOFF1 0x0d
+#define MOSCOM_XOFF2 0x0e
+
+#define MOSCOM_BAUDLO 0x00
+#define MOSCOM_BAUDHI 0x01
+
+#define MOSCOM_INT_RXEN 0x01
+#define MOSCOM_INT_TXEN 0x02
+#define MOSCOM_INT_RSEN 0x04
+#define MOSCOM_INT_MDMEM 0x08
+#define MOSCOM_INT_SLEEP 0x10
+#define MOSCOM_INT_XOFF 0x20
+#define MOSCOM_INT_RTS 0x40
+
+#define MOSCOM_FIFO_EN 0x01
+#define MOSCOM_FIFO_RXCLR 0x02
+#define MOSCOM_FIFO_TXCLR 0x04
+#define MOSCOM_FIFO_DMA_BLK 0x08
+#define MOSCOM_FIFO_TXLVL_MASK 0x30
+#define MOSCOM_FIFO_TXLVL_8 0x00
+#define MOSCOM_FIFO_TXLVL_16 0x10
+#define MOSCOM_FIFO_TXLVL_32 0x20
+#define MOSCOM_FIFO_TXLVL_56 0x30
+#define MOSCOM_FIFO_RXLVL_MASK 0xc0
+#define MOSCOM_FIFO_RXLVL_8 0x00
+#define MOSCOM_FIFO_RXLVL_16 0x40
+#define MOSCOM_FIFO_RXLVL_56 0x80
+#define MOSCOM_FIFO_RXLVL_80 0xc0
+
+#define MOSCOM_ISR_MDM 0x00
+#define MOSCOM_ISR_NONE 0x01
+#define MOSCOM_ISR_TX 0x02
+#define MOSCOM_ISR_RX 0x04
+#define MOSCOM_ISR_LINE 0x06
+#define MOSCOM_ISR_RXTIMEOUT 0x0c
+#define MOSCOM_ISR_RX_XOFF 0x10
+#define MOSCOM_ISR_RTSCTS 0x20
+#define MOSCOM_ISR_FIFOEN 0xc0
+
+#define MOSCOM_LCR_DBITS(x) (x - 5)
+#define MOSCOM_LCR_STOP_BITS_1 0x00
+#define MOSCOM_LCR_STOP_BITS_2 0x04 /* 2 if 6-8 bits/char or 1.5 if 5 */
+#define MOSCOM_LCR_PARITY_NONE 0x00
+#define MOSCOM_LCR_PARITY_ODD 0x08
+#define MOSCOM_LCR_PARITY_EVEN 0x18
+#define MOSCOM_LCR_BREAK 0x40
+#define MOSCOM_LCR_DIVLATCH_EN 0x80
+
+#define MOSCOM_MCR_DTR 0x01
+#define MOSCOM_MCR_RTS 0x02
+#define MOSCOM_MCR_LOOP 0x04
+#define MOSCOM_MCR_INTEN 0x08
+#define MOSCOM_MCR_LOOPBACK 0x10
+#define MOSCOM_MCR_XONANY 0x20
+#define MOSCOM_MCR_IRDA_EN 0x40
+#define MOSCOM_MCR_BAUD_DIV4 0x80
+
+#define MOSCOM_LSR_RXDATA 0x01
+#define MOSCOM_LSR_RXOVER 0x02
+#define MOSCOM_LSR_RXPAR_ERR 0x04
+#define MOSCOM_LSR_RXFRM_ERR 0x08
+#define MOSCOM_LSR_RXBREAK 0x10
+#define MOSCOM_LSR_TXEMPTY 0x20
+#define MOSCOM_LSR_TXALLEMPTY 0x40
+#define MOSCOM_LSR_TXFIFO_ERR 0x80
+
+#define MOSCOM_MSR_CTS_CHG 0x01
+#define MOSCOM_MSR_DSR_CHG 0x02
+#define MOSCOM_MSR_RI_CHG 0x04
+#define MOSCOM_MSR_CD_CHG 0x08
+#define MOSCOM_MSR_CTS 0x10
+#define MOSCOM_MSR_RTS 0x20
+#define MOSCOM_MSR_RI 0x40
+#define MOSCOM_MSR_CD 0x80
+
+#define MOSCOM_BAUD_REF 115200
+
+struct moscom_softc {
+ USBBASEDEVICE sc_dev;
+ usbd_device_handle sc_udev;
+ usbd_interface_handle sc_iface;
+ device_ptr_t sc_subdev;
+
+ u_char sc_msr;
+ u_char sc_lsr;
+ u_char sc_lcr;
+
+ u_char sc_dying;
+};
+
+void moscom_get_status(void *, int, u_char *, u_char *);
+void moscom_set(void *, int, int, int);
+int moscom_param(void *, int, struct termios *);
+int moscom_open(void *, int);
+int moscom_cmd(struct moscom_softc *, int, int);
+
+struct ucom_methods moscom_methods = {
+ NULL,
+ moscom_set,
+ moscom_param,
+ NULL,
+ moscom_open,
+ NULL,
+ NULL,
+ NULL,
+};
+
+static const struct usb_devno moscom_devs[] = {
+ { USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7703 },
+ { USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7840 }
+};
+#define moscom_lookup(v, p) usb_lookup(moscom_devs, v, p)
+
+int moscom_match(device_t, cfdata_t, void *);
+void moscom_attach(device_t, device_t, void *);
+void moscom_childdet(device_t, device_t);
+int moscom_detach(device_t, int);
+int moscom_activate(device_t, enum devact);
+
+CFATTACH_DECL2_NEW(moscom, sizeof(struct moscom_softc), moscom_match,
+ moscom_attach, moscom_detach, moscom_activate, NULL, moscom_childdet);
+
+USB_MATCH(moscom)
+{
+ USB_MATCH_START(moscom, uaa);
+
+ return (moscom_lookup(uaa->vendor, uaa->product) != NULL ?
+ UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
+}
+
+USB_ATTACH(moscom)
+{
+ USB_ATTACH_START(moscom, sc, uaa);
+ usbd_device_handle dev = uaa->device;
+ struct ucom_attach_args uca;
+ usb_interface_descriptor_t *id;
+ usb_endpoint_descriptor_t *ed;
+ char *devinfop;
+ usbd_status error;
+ int i;
+
+ devinfop = usbd_devinfo_alloc(dev, 0);
+ USB_ATTACH_SETUP;
+ aprint_normal_dev(self, "%s\n", devinfop);
+ usbd_devinfo_free(devinfop);
+
+ sc->sc_dev = self;
+
+ bzero(&uca, sizeof(uca));
+ sc->sc_udev = uaa->device;
+
+ if (usbd_set_config_index(sc->sc_udev, MOSCOM_CONFIG_NO, 1) != 0) {
+ aprint_error_dev(self, "could not set configuration no\n");
+ sc->sc_dying = 1;
+ return;
+ }
+
+ /* get the first interface handle */
+ error = usbd_device2interface_handle(sc->sc_udev, MOSCOM_IFACE_NO,
+ &sc->sc_iface);
+ if (error != 0) {
+ aprint_error_dev(self, "could not get interface handle\n");
+ sc->sc_dying = 1;
+ return;
+ }
+
+ id = usbd_get_interface_descriptor(sc->sc_iface);
+
+ uca.bulkin = uca.bulkout = -1;
+ for (i = 0; i < id->bNumEndpoints; i++) {
+ ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
+ if (ed == NULL) {
+ aprint_error_dev(self,
+ "no endpoint descriptor found for %d\n", i);
+ sc->sc_dying = 1;
+ return;
+ }
+
+ if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
+ uca.bulkin = ed->bEndpointAddress;
+ else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
+ uca.bulkout = ed->bEndpointAddress;
+ }
+
+ if (uca.bulkin == -1 || uca.bulkout == -1) {
+ aprint_error_dev(self, "missing endpoint\n");
+ sc->sc_dying = 1;
+ return;
+ }
+
+ uca.ibufsize = MOSCOMBUFSZ;
+ uca.obufsize = MOSCOMBUFSZ;
+ uca.ibufsizepad = MOSCOMBUFSZ;
+ uca.opkthdrlen = 0;
+ uca.device = sc->sc_udev;
+ uca.iface = sc->sc_iface;
+ uca.methods = &moscom_methods;
+ uca.arg = sc;
+ uca.info = NULL;
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
+ USBDEV(sc->sc_dev));
+
+ sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca,
+ ucomprint, ucomsubmatch);
+
+ USB_ATTACH_SUCCESS_RETURN;
+}
+
+void
+moscom_childdet(device_t self, device_t child)
+{
+ struct moscom_softc *sc = device_private(self);
+
+ KASSERT(sc->sc_subdev == child);
+ sc->sc_subdev = NULL;
+}
+
+USB_DETACH(moscom)
+{
+ USB_DETACH_START(moscom, sc);
+ int rv = 0;
+
+ sc->sc_dying = 1;
+ if (sc->sc_subdev != NULL)
+ rv = config_detach(sc->sc_subdev, flags);
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
+ USBDEV(sc->sc_dev));
+
+ return (rv);
+}
+
+int
+moscom_activate(device_t self, enum devact act)
+{
+ struct moscom_softc *sc = device_private(self);
+ int rv = 0;
+
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+
+ case DVACT_DEACTIVATE:
+ if (sc->sc_subdev != NULL)
+ rv = config_deactivate(sc->sc_subdev);
+ sc->sc_dying = 1;
+ break;
+ }
+ return (rv);
+}
+
+int
+moscom_open(void *vsc, int portno)
+{
+ struct moscom_softc *sc = vsc;
+ usb_device_request_t req;
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ /* Purge FIFOs or odd things happen */
+ if (moscom_cmd(sc, MOSCOM_FIFO, 0x00) != 0)
+ return (EIO);
+
+ if (moscom_cmd(sc, MOSCOM_FIFO, MOSCOM_FIFO_EN |
+ MOSCOM_FIFO_RXCLR | MOSCOM_FIFO_TXCLR |
+ MOSCOM_FIFO_DMA_BLK | MOSCOM_FIFO_RXLVL_MASK) != 0)
+ return (EIO);
+
+ /* Magic tell device we're ready for data command */
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = MOSCOM_WRITE;
+ USETW(req.wValue, 0x08);
+ USETW(req.wIndex, MOSCOM_INT);
+ USETW(req.wLength, 0);
+ if (usbd_do_request(sc->sc_udev, &req, NULL) != 0)
+ return (EIO);
+
+ return (0);
+}
+
+void
+moscom_set(void *vsc, int portno, int reg, int onoff)
+{
+ struct moscom_softc *sc = vsc;
+ int val;
+
+ switch (reg) {
+ case UCOM_SET_DTR:
+ val = onoff ? MOSCOM_MCR_DTR : 0;
+ break;
+ case UCOM_SET_RTS:
+ val = onoff ? MOSCOM_MCR_RTS : 0;
+ break;
+ case UCOM_SET_BREAK:
+ val = sc->sc_lcr;
+ if (onoff)
+ val |= MOSCOM_LCR_BREAK;
+ moscom_cmd(sc, MOSCOM_LCR, val);
+ return;
+ default:
+ return;
+ }
+
+ moscom_cmd(sc, MOSCOM_MCR, val);
+}
+
+int
+moscom_param(void *vsc, int portno, struct termios *t)
+{
+ struct moscom_softc *sc = (struct moscom_softc *)vsc;
+ int data;
+
+ if (t->c_ospeed <= 0 || t->c_ospeed > 115200)
+ return (EINVAL);
+
+ data = MOSCOM_BAUD_REF / t->c_ospeed;
+
+ if (data == 0 || data > 0xffff)
+ return (EINVAL);
+
+ moscom_cmd(sc, MOSCOM_LCR, MOSCOM_LCR_DIVLATCH_EN);
+ moscom_cmd(sc, MOSCOM_BAUDLO, data & 0xFF);
+ moscom_cmd(sc, MOSCOM_BAUDHI, (data >> 8) & 0xFF);
+
+ if (ISSET(t->c_cflag, CSTOPB))
+ data = MOSCOM_LCR_STOP_BITS_2;
+ else
+ data = MOSCOM_LCR_STOP_BITS_1;
+ if (ISSET(t->c_cflag, PARENB)) {
+ if (ISSET(t->c_cflag, PARODD))
+ data |= MOSCOM_LCR_PARITY_ODD;
+ else
+ data |= MOSCOM_LCR_PARITY_EVEN;
+ } else
+ data |= MOSCOM_LCR_PARITY_NONE;
+ switch (ISSET(t->c_cflag, CSIZE)) {
+ case CS5:
+ data |= MOSCOM_LCR_DBITS(5);
+ break;
+ case CS6:
+ data |= MOSCOM_LCR_DBITS(6);
+ break;
+ case CS7:
+ data |= MOSCOM_LCR_DBITS(7);
+ break;
+ case CS8:
+ data |= MOSCOM_LCR_DBITS(8);
+ break;
+ }
+
+ sc->sc_lcr = data;
+ moscom_cmd(sc, MOSCOM_LCR, sc->sc_lcr);
+
+#if 0
+ /* XXX flow control */
+ if (ISSET(t->c_cflag, CRTSCTS))
+ /* rts/cts flow ctl */
+ } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
+ /* xon/xoff flow ctl */
+ } else {
+ /* disable flow ctl */
+ }
+#endif
+
+ return (0);
+}
+
+void
+moscom_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
+{
+ struct moscom_softc *sc = vsc;
+
+ if (msr != NULL)
+ *msr = sc->sc_msr;
+ if (lsr != NULL)
+ *lsr = sc->sc_lsr;
+}
+
+int
+moscom_cmd(struct moscom_softc *sc, int reg, int val)
+{
+ usb_device_request_t req;
+ usbd_status err;
+
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = MOSCOM_WRITE;
+ USETW(req.wValue, val + MOSCOM_UART_REG);
+ USETW(req.wIndex, reg);
+ USETW(req.wLength, 0);
+ err = usbd_do_request(sc->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+ else
+ return (0);
+}
